Lab 13

Which of these is sloughed during menses?

endometrium

Name the three layers of the uterine wall from the inside out.

endometrium, myometrium, perimetrium

sperm maturation site

epididymis

fingerlike ends of the uterine tube

fimbriae

glands homologous to the bulbo-urethral glands of males

greater vestibular gland

partially closes the vaginal opening; a membrane

hymen

portion of the urethra that is located in the urogenital diaphragm

intermediate part of the urethra

The interstitial endocrine cells / seminiferous tubules produce testosterone, the hormonal product of the testis.

interstitial endocrine cells

produces oocytes, estrogens, and progesterone

ovary

copulatory organ/penetrating device

penis

loose fold of skin encircling the glans penis

prepuce

location of the testis in adult males

scrotum

Assume a couple has just consummated the sex act and the sperm have been deposited in the vagina. Trace the pathway of the sperm through the female reproductive tract.

(1) vagina (2) cervix (3) uterus (4) uterine tube (5) peritoneal cavity

list the two main functions of the testis

1. produce sperm 2. male sex hormones

An enlarged prostate is associated with a number of disorders, including prostatitis and prostate cancer. Describe the diagnostic exam used to detect an enlarged prostate.

A digital prostate examine is performed by a physician or other mid-level healthcare team member. The examiner gently inserts a finger through the rectum to sense if the prostate is enlarged.

Put the following vestibular-perineal structures in their proper order from the anterior to the posterior aspect: vaginal orifice, anus, external urethral opening, and clitoris.

Anterior limit: (1)clitoris (2) urethral opening (3) vaginal orifice (4) anus

Describe the composition of semen, and name all structures contributing to its formation

Composition of semen: sperm and seminal fluid -> alkaline semen. Structures contributing to the formation of semen: The accessory glands- prostate, seminal glands, and bulbo-urethral glands produce seminal fluid, and the testes produce sperm, which combine to yield semen

What structures compose the spermatic cord?

Connective tissue, ductus deferens, blood vessels, nerves, and lymphatic vessels compose the spermatic cord.

What is an ectopic pregnancy, and how can it happen?

Ectopic pregnancy occurs when a fertilized egg implants in a uterine tube or even on abdominal viscera. It can occur due to infection or inflammation of the fallopian tube or from scar tissue from a previous infection or surgical procedure.

Define ovulation

Ejection of a mature egg from the ovary

egg typically fertilized here

uterine tube

site of fetal development

uterus

copulatory canal

vagina

Of what importance is the fact that seminal fluid is alkaline?

The alkaline nature of semen is importance to buffer against the acidity of the female vagina.

What is the function of the cavernous bodies seen in the penis?

The cavernous bodies function to deliver blood to the penis to make the penis erect and more effective for copulation.

Describe the epithelium found in the uterine tube.

The epithelium around the uterine tube is composed of ciliated secretory epithelium.

Name the structures composing the external genitalia, or vulva, of the female.

The external genitalia (vulva) consists of the mons pubis, the labia majora, the labia minora, the clitoris, the external urethral and vaginal orifices, the hymen, and the greater vestibular glands.

What is the function of the stereocilia exhibited by the epithelial cells of the mucosa of the epididymis?

The function of the stereocilia is to absorb excess fluid and to provide nutrients to the maturing sperm cells.

Where is the spermatic cord located?

The spermatic cord runs through the inguinal ligament to each each teste.

Why are the testes located in the scrotum rather than inside the ventral body cavity?

The testes are located in the scrotum to keep the sperm viable at sub-core temperature (~34 C).

The prostate, seminal glands, and bulbo-urethral glands produce ___, the liquid medium in which sperm leaves the body.

a. seminal fluid

glands that produce milk during lactation

alveoli

pigmented area surrounding the nipple

areola

The endocrine products of the ovaries are estrogen and:

b. progesterone

Using the following terms, trace the pathway of sperm from the testes to the urethra: rete testis, epididymis, seminiferous tubule, ductus deferens.

(1) seminiferous tubule (2) Rete Testis (3) epididymis (4) ductus deferens

accessory gland that secretes fluid to cleanse the urethra prior to ejaculation

bulbo-urethral glands

After sperm are produced, they enter the first part of the duct system, the:

c. epididymis

The labia majora / clitoris are/is homologous to the penis.

clitoris

becomes erect during sexual excitement

clitoris

muscular passageway conveying sperm to the ejaculatory duct; in the spermatic cord

ductus (vas) deferens

duct connecting alveoli to the storage chambers

lactiferous duct

enlarged storage chamber for milk

lactiferous sinus

subdivision of mammary lobes that contains alveoli

lobule

Which contracts during childbirth?

myometrium

releases milk to the outside

nipple

accessory gland that secretes the largest contribution to semen

seminal gland

The testis is divided into a number of lobes by connective tissue. Each of these lobes contains one to four ___ which converge to empty sperm into another set of tubules called the ___.

seminiferous tubules; rete testis

distal urethra that transports both sperm and urine

spongy urethra